def stateSubtypeIndication(cls, parserState: ParserState): token = parserState.Token if (isinstance(token, FusedCharacterToken) and (token == ":=")): parserState.NewToken = VariableAssignmentKeyword(token) parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken) parserState.NextState = cls.DELIMITER_BLOCK.stateItemDelimiter parserState.PushState = cls.EXPRESSION.stateBeforeExpression parserState.TokenMarker = None parserState.Counter = 0 return elif isinstance(token, CharacterToken): if (token == ';'): parserState.NewToken = DelimiterToken(token) parserState.NewBlock = cls( parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken.PreviousToken) _ = cls.DELIMITER_BLOCK(parserState.NewBlock, parserState.NewToken) parserState.Pop() return elif (token == ')'): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = cls( parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken.PreviousToken) parserState.Pop(2) parserState.TokenMarker = parserState.NewToken return elif isinstance(token, SpaceToken): parserState.NewToken = BoundaryToken(token) parserState.NextState = cls.stateWhitespace5 return elif isinstance(token, (LinebreakToken, CommentToken)): block = LinebreakBlock if isinstance( token, LinebreakToken) else CommentBlock parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = block(parserState.NewBlock, token) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace5 return raise BlockParserException( "Expected ';', ':=' or whitespace after subtype indication.", token)
def stateEntityInstantiationName(cls, parserState: ParserState): token = parserState.Token errorMessage = "Expected ';' after entityInstantiation name." if isinstance(token, CharacterToken): if (token == ";"): parserState.NewToken = EndToken(token) parserState.NewBlock = EntityInstantiationBlock( parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken) parserState.Pop() return elif (token == "\n"): parserState.NewBlock = EntityInstantiationBlock( parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) parserState.NewToken = LinebreakToken(token) _ = LinebreakBlock(parserState.NewBlock, parserState.NewToken) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace2 parserState.PushState = LinebreakBlock.stateLinebreak return elif (token == "-"): parserState.NewBlock = EntityInstantiationBlock( parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace2 parserState.PushState = SingleLineCommentBlock.statePossibleCommentStart parserState.TokenMarker = token return elif (token == "/"): parserState.NewBlock = EntityInstantiationBlock( parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace2 parserState.PushState = MultiLineCommentBlock.statePossibleCommentStart parserState.TokenMarker = token return elif isinstance(token, SpaceToken): parserState.NextState = cls.stateWhitespace2 return raise TokenParserException(errorMessage, token)
def stateWhitespace4(cls, parserState: ParserState): token = parserState.Token if (isinstance(token, CharacterToken) and (token == ";")): parserState.NewToken = EndToken(token) parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken) parserState.Pop() return elif (isinstance(token, WordToken) and (token <= "severity")): parserState.NewToken = SeverityKeyword(token) parserState.NextState = cls.stateSeverityKeyword return elif isinstance(token, LinebreakToken): if (not (isinstance(parserState.LastBlock, CommentBlock) and isinstance(parserState.LastBlock.StartToken, MultiLineCommentToken))): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = LinebreakBlock(parserState.NewBlock, token) else: parserState.NewBlock = LinebreakBlock(parserState.LastBlock, token) parserState.TokenMarker = None return elif isinstance(token, CommentToken): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = CommentBlock(parserState.NewBlock, token) parserState.TokenMarker = None return elif (isinstance(token, IndentationToken) and isinstance(token.PreviousToken, (LinebreakToken, SingleLineCommentToken))): return elif (isinstance(token, SpaceToken) and (isinstance(parserState.LastBlock, CommentBlock) and isinstance( parserState.LastBlock.StartToken, MultiLineCommentToken))): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = WhitespaceBlock(parserState.LastBlock, parserState.NewToken) parserState.TokenMarker = None return raise BlockParserException( "Expected keyword SEVERITY after report message (expression).", token)
def stateGenericKeyword(cls, parserState: ParserState): token = parserState.Token errorMessage = "Expected whitespace or '(' after keyword GENERIC." if isinstance(token, CharacterToken): if (token == "("): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = OpenBlock(parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken) parserState.NextState = CloseBlock.stateClosingParenthesis parserState.PushState = OpenBlock.stateOpeningParenthesis parserState.Counter = 1 return elif (token == "\n"): parserState.NewBlock = OpenBlock(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) parserState.NewToken = LinebreakToken(token) _ = LinebreakBlock(parserState.NewBlock, parserState.NewToken) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace1 parserState.PushState = LinebreakBlock.stateLinebreak return elif (token == "-"): parserState.NewBlock = OpenBlock(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace1 parserState.PushState = SingleLineCommentBlock.statePossibleCommentStart parserState.TokenMarker = token return elif (token == "/"): parserState.NewBlock = OpenBlock(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace1 parserState.PushState = MultiLineCommentBlock.statePossibleCommentStart parserState.TokenMarker = token return elif isinstance(token, SpaceToken): parserState.NextState = cls.stateWhitespace1 return raise TokenParserException(errorMessage, token)
def stateWhitespace3(cls, parserState: ParserState): token = parserState.Token if (isinstance(token, CharacterToken) and (token == ";")): parserState.NewToken = EndToken(token) parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken) parserState.Pop() return elif (isinstance(token, WordToken) and (token <= "is")): parserState.NewToken = IsKeyword(token) parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken) parserState.NextState = DeclarativeRegion.stateDeclarativeRegion return elif isinstance(token, LinebreakToken): if (not (isinstance(parserState.LastBlock, CommentBlock) and isinstance(parserState.LastBlock.StartToken, MultiLineCommentToken))): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = LinebreakBlock(parserState.NewBlock, token) else: parserState.NewBlock = LinebreakBlock(parserState.LastBlock, token) parserState.TokenMarker = None return elif isinstance(token, CommentToken): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = CommentBlock(parserState.NewBlock, token) parserState.TokenMarker = None return elif (isinstance(token, SpaceToken) and (isinstance(parserState.LastBlock, CommentBlock) and isinstance( parserState.LastBlock.StartToken, MultiLineCommentToken))): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = WhitespaceBlock(parserState.LastBlock, parserState.NewToken) parserState.TokenMarker = None return raise BlockParserException("Expected function name (designator).", token)
def stateWhitespace3(cls, parserState: ParserState): token = parserState.Token if isinstance(token, StringToken): tokenValue = token.Value.lower() try: parserState.NewToken = cls.MODES[tokenValue](token) parserState.NextState = cls.stateModeKeyword return except KeyError: parserState.NewToken = IdentifierToken(token) parserState.NextState = cls.stateSubtypeIndication return elif isinstance(token, ExtendedIdentifier): parserState.NextState = cls.stateSubtypeIndication return elif isinstance(token, LinebreakToken): if (not (isinstance(parserState.LastBlock, CommentBlock) and isinstance(parserState.LastBlock.StartToken, MultiLineCommentToken))): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = LinebreakBlock(parserState.NewBlock, token) else: parserState.NewBlock = LinebreakBlock(parserState.LastBlock, token) parserState.TokenMarker = None return elif isinstance(token, CommentToken): parserState.NewBlock = CommentBlock(parserState.LastBlock, token) parserState.TokenMarker = None return elif (isinstance(token, IndentationToken) and isinstance(token.PreviousToken, (LinebreakToken, SingleLineCommentToken))): return elif (isinstance(token, SpaceToken) and (isinstance(parserState.LastBlock, CommentBlock) and isinstance( parserState.LastBlock.StartToken, MultiLineCommentToken))): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = WhitespaceBlock(parserState.LastBlock, parserState.NewToken) parserState.TokenMarker = None return raise TokenParserException( "Expected subtype indication or keyword IN.", token)
def stateColon1(cls, parserState: ParserState): token = parserState.Token errorMessage = "Expected type mark or whitespace after ':'." if isinstance(token, CharacterToken): if (token == "\n"): parserState.NewBlock = AttributeDeclarationBlock( parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) parserState.NewToken = LinebreakToken(token) _ = LinebreakBlock(parserState.NewBlock, parserState.NewToken) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace3 parserState.PushState = LinebreakBlock.stateLinebreak return elif (token == "-"): parserState.NewBlock = AttributeDeclarationBlock( parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace3 parserState.PushState = SingleLineCommentBlock.statePossibleCommentStart parserState.TokenMarker = token return elif (token == "/"): parserState.NewBlock = AttributeDeclarationBlock( parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace3 parserState.PushState = MultiLineCommentBlock.statePossibleCommentStart parserState.TokenMarker = token return elif isinstance(token, SpaceToken): parserState.NewToken = BoundaryToken(token) parserState.NextState = cls.stateWhitespace3 return elif isinstance(token, WordToken): parserState.NewToken = IdentifierToken(token) parserState.NextState = cls.stateTypeMarkName return raise TokenParserException(errorMessage, token)
def stateDeclarativeRegion(cls, parserState: ParserState): errorMessage = "Expected one of these keywords: generic, port, begin, end." token = parserState.Token if isinstance(parserState.Token, CharacterToken): if (token == "\n"): parserState.NewToken = LinebreakToken(token) parserState.NewBlock = LinebreakBlock(parserState.LastBlock, parserState.NewToken) parserState.TokenMarker = parserState.NewToken return elif (token == "-"): parserState.PushState = SingleLineCommentBlock.statePossibleCommentStart parserState.TokenMarker = token return elif (token == "/"): parserState.PushState = MultiLineCommentBlock.statePossibleCommentStart parserState.TokenMarker = token return elif isinstance(token, SpaceToken): parserState.NewToken = IndentationToken(token) parserState.NewBlock = IndentationBlock(parserState.LastBlock, parserState.NewToken) return elif isinstance(token, StringToken): keyword = token.Value.lower() if (keyword == "generic"): newToken = GenericKeyword(token) parserState.PushState = GenericList.OpenBlock.stateGenericKeyword elif (keyword == "port"): newToken = PortKeyword(token) parserState.PushState = PortList.OpenBlock.statePortKeyword elif (keyword == "end"): newToken = EndKeyword(token) parserState.NextState = EndGenerateBlock.stateEndKeyword elif (keyword == "begin"): parserState.NewToken = BeginKeyword(token) parserState.NewBlock = ElseGenerateBeginBlock( parserState.LastBlock, parserState.NewToken) parserState.NextState = ElseGenerateBeginBlock.stateBeginKeyword return else: raise TokenParserException(errorMessage, token) parserState.NewToken = newToken parserState.TokenMarker = newToken return raise TokenParserException(errorMessage, token)
def stateWhitespace1(cls, parserState: ParserState): token = parserState.Token if isinstance(token, CharacterToken): if (token == ","): parserState.NewToken = DelimiterToken(token) parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken) _ = DelimiterBlock(parserState.NewBlock, parserState.NewToken) parserState.NextState = DelimiterBlock.stateDelimiter return elif (token == ";"): parserState.NewToken = EndToken(token) parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken) _ = EndBlock(parserState.NewBlock, parserState.NewToken) parserState.Pop() return elif isinstance(token, LinebreakToken): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token, multiPart=True) parserState.TokenMarker = None return elif isinstance(token, CommentToken): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = CommentBlock(parserState.NewBlock, token) parserState.TokenMarker = None return elif (isinstance(token, IndentationToken) and isinstance(token.PreviousToken, (LinebreakToken, SingleLineCommentToken))): return elif (isinstance(token, SpaceToken) and (isinstance(parserState.LastBlock, CommentBlock) and isinstance( parserState.LastBlock.StartToken, MultiLineCommentToken))): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = WhitespaceBlock(parserState.LastBlock, parserState.NewToken) parserState.TokenMarker = None return raise BlockParserException("Expected ';'.", token)
def stateWhitespace2(cls, parserState: ParserState): token = parserState.Token if isinstance(token, WordToken): parserState.NewToken = IdentifierToken(token) parserState.NextState = cls.statePackageName return elif isinstance(token, ExtendedIdentifier): parserState.NextState = cls.statePackageName return elif (isinstance(token, CharacterToken) and (token == ".")): parserState.NewToken = DelimiterToken(token) parserState.NextState = cls.stateDot1 return elif isinstance(token, WordToken): parserState.NewToken = IdentifierToken(token) parserState.TokenMarker = parserState.NewToken parserState.NextState = cls.statePackageName return elif isinstance(token, LinebreakToken): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token, multiPart=True) parserState.TokenMarker = None return elif isinstance(token, CommentToken): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = CommentBlock(parserState.NewBlock, token) parserState.TokenMarker = None return elif (isinstance(token, IndentationToken) and isinstance(token.PreviousToken, (LinebreakToken, SingleLineCommentToken))): return elif (isinstance(token, SpaceToken) and (isinstance(parserState.LastBlock, CommentBlock) and isinstance( parserState.LastBlock.StartToken, MultiLineCommentToken))): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = WhitespaceBlock(parserState.LastBlock, parserState.NewToken) parserState.TokenMarker = None return raise BlockParserException("Expected package name (identifier).", token)
def stateAllKeyword(cls, parserState: ParserState): token = parserState.Token if (isinstance(token, CharacterToken) and (token == ")")): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = CloseBlock(parserState.LastBlock, parserState.NewToken, endToken=parserState.NewToken) parserState.Pop() return elif isinstance(token, SpaceToken): parserState.NextState = cls.stateWhitespace1 return elif isinstance(token, (LinebreakToken, CommentToken)): block = LinebreakBlock if isinstance( token, LinebreakToken) else CommentBlock parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = block(parserState.NewBlock, token) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace1 return raise BlockParserException( "Expected ')' or whitespace after keyword ALL.", token)
def stateExitLoopLabel(cls, parserState: ParserState): token = parserState.Token if (isinstance(token, CharacterToken) and (token == ";")): parserState.NewToken = EndToken(token) parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken) parserState.Pop() return elif isinstance(token, SpaceToken): parserState.NewToken = BoundaryToken(token) # parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token, multiPart=True) # parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace2 return elif isinstance(token, (LinebreakToken, CommentToken)): block = LinebreakBlock if isinstance( token, LinebreakToken) else CommentBlock parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = block(parserState.NewBlock, token) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace2 return raise BlockParserException( "Expected ';' or whitespace after loop label.", token)
def stateIsKeyword(cls, parserState: ParserState): token = parserState.Token if isinstance(token, SpaceToken): blockType = IndentationBlock if isinstance(token, IndentationToken) else WhitespaceBlock parserState.NewBlock = blockType(parserState.LastBlock, token) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace1 return elif isinstance(token, (LinebreakToken, CommentToken)): block = LinebreakBlock if isinstance(token, LinebreakToken) else CommentBlock parserState.NewBlock = block(parserState.LastBlock, token) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace1 return raise BlockParserException("Expected whitespace after keyword IS.", token)
def stateSubtypeIndication(cls, parserState: ParserState): token = parserState.Token if (isinstance(token, CharacterToken) and (token == ';')): parserState.NewToken = EndToken(token) parserState.NewBlock = cls( parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken.PreviousToken) _ = cls.END_BLOCK(parserState.NewBlock, parserState.NewToken) parserState.Pop() return elif isinstance(token, SpaceToken): parserState.NewToken = BoundaryToken(token) parserState.NextState = cls.stateWhitespace4 return elif isinstance(token, (LinebreakToken, CommentToken)): block = LinebreakBlock if isinstance( token, LinebreakToken) else CommentBlock parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = block(parserState.NewBlock, token) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace4 return raise BlockParserException( "Expected ';' or whitespace after subtype indication.", token)
def stateColon1(cls, parserState: ParserState): token = parserState.Token if isinstance(token, StringToken): try: parserState.NewToken = cls.MODES[token.Value.lower()](token) parserState.NextState = cls.stateModeKeyword return except KeyError: parserState.NewToken = IdentifierToken(token) parserState.NextState = cls.stateSubtypeIndication return elif isinstance(token, SpaceToken): parserState.NewToken = BoundaryToken(token) parserState.NextState = cls.stateWhitespace3 return elif isinstance(token, (LinebreakToken, CommentToken)): block = LinebreakBlock if isinstance( token, LinebreakToken) else CommentBlock parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = block(parserState.NewBlock, token) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace3 return raise TokenParserException( "Expected subtype indication or whitespace after colon.", token)
def stateClosingParenthesis(cls, parserState: ParserState): token = parserState.Token if (isinstance(token, CharacterToken) and (token == ";")): parserState.NewToken = EndToken(token) parserState.NewBlock = CloseBlock(parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken) parserState.Pop() return elif isinstance(token, SpaceToken): parserState.NextState = cls.stateWhitespace1 return elif isinstance(token, (LinebreakToken, CommentToken)): block = LinebreakBlock if isinstance( token, LinebreakToken) else CommentBlock parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = block(parserState.NewBlock, token) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace1 return raise TokenParserException("Expected ';' or whitespace.", token)
def stateReturnType(cls, parserState: ParserState): token = parserState.Token errorMessage = "Expected ';' or whitespace after type mark (return type)." if (isinstance(token, CharacterToken) and (token == ";")): parserState.NewToken = EndToken(token) parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken) parserState.Pop() return elif isinstance(token, SpaceToken): parserState.NewToken = BoundaryToken(token) parserState.NextState = cls.stateWhitespace3 return elif isinstance(token, (LinebreakToken, CommentToken)): block = LinebreakBlock if isinstance( token, LinebreakToken) else CommentBlock parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = block(parserState.NewBlock, token) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace3 return raise BlockParserException(errorMessage, token)
def stateParameterKeyword(cls, parserState: ParserState): token = parserState.Token if (isinstance(token, CharacterToken) and (token == "(")): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken) parserState.NextState = CloseBlock.stateClosingParenthesis parserState.PushState = cls.stateOpeningParenthesis parserState.Counter = 1 return elif isinstance(token, SpaceToken): parserState.NextState = cls.stateWhitespace1 return elif isinstance(token, (LinebreakToken, CommentToken)): block = LinebreakBlock if isinstance( token, LinebreakToken) else CommentBlock parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = block(parserState.NewBlock, token) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace1 return raise TokenParserException( "Expected '(' or whitespace after keyword PARAMETER.", token)
def stateDot2(cls, parserState: ParserState): token = parserState.Token if isinstance(token, WordToken): if (token <= "all"): parserState.NewToken = AllKeyword(token) else: parserState.NewToken = IdentifierToken(token) parserState.NextState = cls.stateObjectName return elif isinstance(token, ExtendedIdentifier): parserState.NextState = cls.stateObjectName return elif isinstance(token, SpaceToken): parserState.NewToken = BoundaryToken(token) parserState.NextState = cls.stateWhitespace4 return elif isinstance(token, (LinebreakToken, CommentToken)): block = LinebreakBlock if isinstance( token, LinebreakToken) else CommentBlock parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = block(parserState.NewBlock, token) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace4 return raise BlockParserException("Expected object name after '.'.", token)
def stateItemRemainder(cls, parserState: ParserState): token = parserState.Token if isinstance(token, CharacterToken): if (token == "("): parserState.Counter += 1 elif (token == ")"): parserState.Counter -= 1 if (parserState.Counter == 0): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = ItemBlock( parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken.PreviousToken) _ = CloseBlock(parserState.NewBlock, parserState.NewToken) parserState.Pop() parserState.TokenMarker = None else: parserState.NewToken = ClosingRoundBracketToken(token) # parserState.NewBlock = CloseBlock(parserState.LastBlock, parserState.NewToken) # parserState.Pop() elif (token == ";"): if (parserState.Counter == 1): parserState.NewToken = DelimiterToken(token) parserState.NewBlock = ItemBlock( parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken.PreviousToken) _ = DelimiterBlock(parserState.NewBlock, parserState.NewToken) parserState.NextState = DelimiterBlock.stateItemDelimiter else: raise TokenParserException( "Mismatch in opening and closing parenthesis: open={0}" .format(parserState.Counter), token)
def stateDot1(cls, parserState: ParserState): token = parserState.Token if isinstance(token, WordToken): parserState.NewToken = IdentifierToken(token) parserState.NextState = cls.statePackageName return elif isinstance(token, ExtendedIdentifier): parserState.NextState = cls.statePackageName return elif (isinstance(token, CharacterToken) and (token == ".")): parserState.NewToken = DelimiterToken(token) parserState.NextState = cls.stateDot1 return elif isinstance(token, SpaceToken): #parserState.NewToken = BoundaryToken(token) parserState.NextState = cls.stateWhitespace2 return elif isinstance(token, (LinebreakToken, CommentToken)): block = LinebreakBlock if isinstance( token, LinebreakToken) else CommentBlock parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = block(parserState.NewBlock, token) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace2 return raise BlockParserException("Expected package name after '.'.", token)
def stateAfterParameterList(cls, parserState: ParserState): token = parserState.Token if (isinstance(token, CharacterToken) and (token == ";")): parserState.NewToken = EndToken(token) parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken) parserState.Pop() return elif isinstance(token, WordToken): if (token <= "is"): parserState.NewToken = IsKeyword(token) parserState.NewBlock = VoidBlock(parserState.LastBlock, parserState.TokenMarker, parserState.NewToken) parserState.NextState = DeclarativeRegion.stateDeclarativeRegion return elif isinstance(token, SpaceToken): parserState.NewToken = BoundaryToken(token) parserState.NextState = cls.stateWhitespace1 return elif isinstance(token, (LinebreakToken, CommentToken)): block = LinebreakBlock if isinstance( token, LinebreakToken) else CommentBlock parserState.NewBlock = block(parserState.LastBlock, token) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace1 return raise BlockParserException("Expected keyword RETURN.", token)
def stateObjectName(cls, parserState: ParserState): token = parserState.Token if (isinstance(token, CharacterToken) and (token == ":")): parserState.NewToken = BoundaryToken(token) parserState.NextState = cls.stateColon1 return elif isinstance(token, SpaceToken): parserState.NewToken = BoundaryToken(token) parserState.NextState = cls.stateWhitespace2 return elif isinstance(token, (LinebreakToken, CommentToken)): block = LinebreakBlock if isinstance( token, LinebreakToken) else CommentBlock parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = block(parserState.NewBlock, token) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace2 return raise BlockParserException( "Expected ':' or whitespace after {0} name.".format( cls.OBJECT_KIND), token)
def stateWhitespace1(cls, parserState: ParserState): token = parserState.Token if (isinstance(token, CharacterToken) and (token == "(")): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken) parserState.PushState = cls.stateOpeningParenthesis parserState.Counter = 1 return elif isinstance(token, LinebreakToken): if (not (isinstance(parserState.LastBlock, CommentBlock) and isinstance(parserState.LastBlock.StartToken, MultiLineCommentToken))): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = LinebreakBlock(parserState.NewBlock, token) else: parserState.NewBlock = LinebreakBlock(parserState.LastBlock, token) parserState.TokenMarker = None return elif isinstance(token, CommentToken): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = CommentBlock(parserState.NewBlock, token) parserState.TokenMarker = None return elif (isinstance(token, IndentationToken) and isinstance(token.PreviousToken, (LinebreakToken, SingleLineCommentToken))): return elif (isinstance(token, SpaceToken) and (isinstance(parserState.LastBlock, CommentBlock) and isinstance( parserState.LastBlock.StartToken, MultiLineCommentToken))): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = WhitespaceBlock(parserState.LastBlock, parserState.NewToken) parserState.TokenMarker = None return raise TokenParserException("Expected '(' after keyword PARAMETER.", token)
def stateOpeningParenthesis(cls, parserState: ParserState): token = parserState.Token if (isinstance(token, CharacterToken) and (token == ")")): # if (parserState.TokenMarker != token): # parserState.NewBlock = IndentationBlock(parserState.LastBlock, parserState.TokenMarker, token.PreviousToken) parserState.Pop() parserState.TokenMarker = token return elif isinstance(token, StringToken): if (token <= "signal"): parserState.NewToken = SignalKeyword(token) parserState.NextState = DelimiterBlock.stateItemDelimiter parserState.PushState = PortListInterfaceSignalBlock.stateSignalKeyword parserState.TokenMarker = parserState.NewToken return else: parserState.NewToken = IdentifierToken(token) parserState.NextState = DelimiterBlock.stateItemDelimiter parserState.PushState = PortListInterfaceSignalBlock.stateObjectName parserState.TokenMarker = parserState.NewToken return elif isinstance(token, ExtendedIdentifier): parserState.NextState = PortListInterfaceSignalBlock.stateObjectName return elif isinstance(token, SpaceToken): blockType = IndentationBlock if isinstance( token, IndentationToken) else WhitespaceBlock parserState.NewBlock = blockType(parserState.LastBlock, token) return elif isinstance(token, LinebreakToken): parserState.NewBlock = LinebreakBlock(parserState.LastBlock, token) parserState.TokenMarker = token # parserState.NextState = cls.stateWhitespace1 return elif isinstance(token, CommentToken): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = CommentBlock(parserState.NewBlock, token) parserState.TokenMarker = None # parserState.NextState = cls.stateWhitespace1 return raise TokenParserException( "Expected interface signal name (identifier) or keyword: SIGNAL.", token)
def stateTypeMarkName(cls, parserState: ParserState): token = parserState.Token errorMessage = "Expected ':=' or whitespace after type mark." if isinstance(token, CharacterToken): if (token == ":"): parserState.NewToken = BoundaryToken(token) parserState.NextState = cls.statePossibleVariableAssignment return elif (token == "\n"): parserState.NewBlock = SubTypeBlock( parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) parserState.NewToken = LinebreakToken(token) _ = LinebreakBlock(parserState.NewBlock, parserState.NewToken) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace4 parserState.PushState = LinebreakBlock.stateLinebreak return elif (token == "-"): parserState.NewBlock = SubTypeBlock( parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace4 parserState.PushState = SingleLineCommentBlock.statePossibleCommentStart parserState.TokenMarker = token return elif (token == "/"): parserState.NewBlock = SubTypeBlock( parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace4 parserState.PushState = MultiLineCommentBlock.statePossibleCommentStart parserState.TokenMarker = token return elif isinstance(token, SpaceToken): parserState.NextState = cls.stateWhitespace4 return raise TokenParserException(errorMessage, token)
def stateWhitespace4(cls, parserState: ParserState): token = parserState.Token if (isinstance(token, FusedCharacterToken) and (token == ":=")): parserState.NewToken = VariableAssignmentKeyword(token) parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken) parserState.PushState = cls.EXPRESSION_BLOCK.stateExpression parserState.TokenMarker = None parserState.Counter = 0 return elif (isinstance(token, CharacterToken) and (token == ";")): parserState.NewToken = EndToken(token) parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken) parserState.Pop() return elif isinstance(token, LinebreakToken): if (not (isinstance(parserState.LastBlock, CommentBlock) and isinstance(parserState.LastBlock.StartToken, MultiLineCommentToken))): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = LinebreakBlock(parserState.NewBlock, token) else: parserState.NewBlock = LinebreakBlock(parserState.LastBlock, token) parserState.TokenMarker = None return elif isinstance(token, CommentToken): parserState.NewBlock = CommentBlock(parserState.LastBlock, token) parserState.TokenMarker = None return elif (isinstance(token, SpaceToken) and (isinstance(parserState.LastBlock, CommentBlock) and isinstance( parserState.LastBlock.StartToken, MultiLineCommentToken))): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = WhitespaceBlock(parserState.LastBlock, parserState.NewToken) parserState.TokenMarker = None return raise BlockParserException( "Expected ':=' or ';' after subtype indication.", token)
def stateWhitespace2(cls, parserState: ParserState): token = parserState.Token if (isinstance(token, StringToken) and (token <= "is")): parserState.NewToken = IsKeyword(token) parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken) parserState.TokenMarker = None parserState.NextState = DeclarativeRegion.stateDeclarativeRegion return elif isinstance(token, LinebreakToken): if (not (isinstance(parserState.LastBlock, CommentBlock) and isinstance(parserState.LastBlock.StartToken, MultiLineCommentToken))): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = LinebreakBlock(parserState.NewBlock, token) else: parserState.NewBlock = LinebreakBlock(parserState.LastBlock, token) parserState.TokenMarker = None return elif isinstance(token, CommentToken): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = CommentBlock(parserState.NewBlock, token) parserState.TokenMarker = None return elif (isinstance(token, IndentationToken) and isinstance(token.PreviousToken, (LinebreakToken, SingleLineCommentToken))): return elif (isinstance(token, SpaceToken) and (isinstance(parserState.LastBlock, CommentBlock) and isinstance( parserState.LastBlock.StartToken, MultiLineCommentToken))): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = WhitespaceBlock(parserState.LastBlock, parserState.NewToken) parserState.TokenMarker = None return raise TokenParserException("Expected keyword IS after entity name.", token)
def stateWhitespace4(cls, parserState: ParserState): token = parserState.Token if (isinstance(token, CharacterToken) and (token == ".")): parserState.NewToken = DelimiterToken(token) parserState.NextState = cls.stateDot1 return elif isinstance(token, StringToken): if (token <= "all"): parserState.NewToken = AllKeyword(token) else: parserState.NewToken = IdentifierToken(token) parserState.NextState = cls.stateObjectName return elif isinstance(token, ExtendedIdentifier): parserState.NextState = cls.stateObjectName return elif isinstance(token, LinebreakToken): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token, multiPart=True) parserState.TokenMarker = None return elif isinstance(token, CommentToken): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = CommentBlock(parserState.NewBlock, token) parserState.TokenMarker = None return elif (isinstance(token, IndentationToken) and isinstance(token.PreviousToken, (LinebreakToken, SingleLineCommentToken))): return elif (isinstance(token, SpaceToken) and (isinstance(parserState.LastBlock, CommentBlock) and isinstance( parserState.LastBlock.StartToken, MultiLineCommentToken))): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = WhitespaceBlock(parserState.LastBlock, parserState.NewToken) parserState.TokenMarker = None return raise TokenParserException( "Expected object name (identifier) or keyword ALL.", token)
def stateWhitespace1(cls, parserState: ParserState): token = parserState.Token errorMessage = "Expected '(' after keyword PROCESS." if (isinstance(token, CharacterToken) and (token == ")")): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = cls(parserState.LastBlock, parserState.NewToken, endToken=parserState.NewToken) parserState.Pop() return elif isinstance(token, LinebreakToken): if (not (isinstance(parserState.LastBlock, CommentBlock) and isinstance(parserState.LastBlock.StartToken, MultiLineCommentToken))): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = LinebreakBlock(parserState.NewBlock, token) else: parserState.NewBlock = LinebreakBlock(parserState.LastBlock, token) parserState.TokenMarker = None return elif isinstance(token, CommentToken): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = CommentBlock(parserState.NewBlock, token) parserState.TokenMarker = None return elif (isinstance(token, IndentationToken) and isinstance(token.PreviousToken, (LinebreakToken, SingleLineCommentToken))): return elif (isinstance(token, SpaceToken) and (isinstance(parserState.LastBlock, CommentBlock) and isinstance( parserState.LastBlock.StartToken, MultiLineCommentToken))): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = WhitespaceBlock(parserState.LastBlock, parserState.NewToken) parserState.TokenMarker = None return raise BlockParserException(errorMessage, token)